aixcoder.com

Observed Jul 23, 2026, 06:57 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

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Up right now

Secured byLet's Encrypt

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat aixcoder.com actually stands on - every host below is a signed observation

aixcoder.com

A / AAAA

47.94.135.188

unattributedserves the site

dns10.hichina.comdns9.hichina.com

hichina.comanswers its DNS

mxbiz2.qq.commxbiz1.qq.com

qq.comreceives its email

TLS

*.aixcoder.com

Let's Encryptissued its certificate

DNS Records

A 1

47.94.135.188

MX 2

10mxbiz2.qq.com
5mxbiz1.qq.com

TXT 1

v=spf1 include:spf.mail.qq.com ~all

NS 2

dns10.hichina.com
dns9.hichina.com

SOA 1

dns9.hichina.com hostmaster.hichina.com

TLS Certificates (2)

Common Name	Issuer	Expires
`*.aixcoder.com`	C=US, O=Let's Encrypt, CN=R12	Tue, 11 Aug 2026 20:52:36 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for aixcoder.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/aixcoder.com">
  <img src="https://domaindrift.io/badge/aixcoder.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for aixcoder.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_0a2c6d47874a35e9
Output Hash: c269882d09ca81cadc2da997ec16cd0673893c2610a85304f729a532106878e5
Signature: ed25519:df2df721f06ef718d05a056886fe31deeeb27352a51900c9d928ebd55fdcd86528c139ab165b5dfbf2ea9ca2239a1904aa30682e69f89089683b73877b549f00
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/aixcoder.com